One day with 19 upvotes and 27 on the answer? Based on our normal numbers, that seems wildly out of proportion.
That's because it has become a Hot Network Question, potentially showing in the sidebar on every stack exchange site:
Such questions always attract many more views, and generally attract more votes as a result.
As Andrew T. points out in a comment below, There is a post (that seems to have been updated recently) about how 'hotness' is calculated here.
there have been questions about duplicate accounts from this particular user
These people seem to have similar interests and writing styles. I've been assuming they are 'close friends'... but the questions they've asked seem reasonable (if a little repetitive!).